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Daniel Stenberg
Behind the scenes of cURL with its founder: Releases, updates, and security

In this Help Net Security interview, Daniel Stenberg, lead developer od cURL, discusses how the widely used tool remains secure across billions of devices, from cloud services …

Rayhunter
Rayhunter: EFF releases open-source tool to detect cellular spying

The Electronic Frontier Foundation (EFF) has released Rayhunter, a new open-source tool designed to detect cell site simulators (CSS). These devices, also known as IMSI …

npm
Self-replicating worm hits 180+ npm packages in (largely) automated supply chain attack

A potentially monumental supply chain attack is underway, thanks to a self-replicating worm-like payload that has been compromising packages published on the npm Registry. The …

Rust
Phishing campaign targets Rust developers

Developers publishing crates (binaries and libraries written in Rust) on crates.io, Rust’s main public package registry, have been targeted with emails echoing the recent npm …

Arkime
Arkime: Open-source network analysis and packet capture system

Arkime is an open-source system for large-scale network analysis and packet capture. It works with your existing security tools to store and index network traffic in standard …

Garak
Garak: Open-source LLM vulnerability scanner

LLMs can make mistakes, leak data, or be tricked into doing things they were not meant to do. Garak is a free, open-source tool designed to test these weaknesses. It checks …

Linux Kernel Runtime Guard
Linux Kernel Runtime Guard hits 1.0.0 with major updates and broader support

The Linux Kernel Runtime Guard (LKRG) is a kernel module that checks the Linux kernel while it’s running. It looks for signs of tampering and tries to catch attempts to …

InterceptSuite
InterceptSuite: Open-source network traffic interception tool

InterceptSuite is an open-source, cross-platform network traffic interception tool designed for TLS/SSL inspection, analysis, and manipulation at the network level. …

AI search
Can AI agents catch what your SOC misses?

A new research project called NetMoniAI shows how AI agents might reshape network monitoring and security. Developed by a team at Texas Tech University, the framework brings …

AIDEFEND
AIDEFEND: Free AI defense framework

AIDEFEND (Artificial Intelligence Defense Framework) is an open knowledge base dedicated to AI security, providing defensive countermeasures and best practices to help …

open-source cybersecurity tools
Hottest cybersecurity open-source tools of the month: August 2025

This month’s roundup features exceptional open-source cybersecurity tools that are gaining attention for strengthening security across various environments. Buttercup: …

Kopia
Kopia: Open-source encrypted backup tool for Windows, macOS, Linux

Kopia is an open-source backup and restore tool that lets you create encrypted snapshots of your files and store them in cloud storage, on a remote server, on network-attached …

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